Pillow



FIG. 1 is a top, rear, and left side perspective view of a pillow showing my new design;

FIG. 2 is an enlarged front elevational view thereof;

FIG. 3 is an enlarged rear elevational view thereof;

FIG. 4 is an enlarged right side elevational view thereof, the left side being a mirror image of that shown;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a pillow, as shown and described. 